/* color palette from <https://github.com/vuejs/theme> */
:root {
    --vt-c-white: #ffffff;
    --vt-c-white-soft: #f8f8f8;
    --vt-c-white-mute: #f2f2f2;

    --vt-c-black: #181818;
    --vt-c-black-soft: #222222;
    --vt-c-black-mute: #282828;

    --vt-c-indigo: #2c3e50;

    --vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
    --vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
    --vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
    --vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);

    --vt-c-text-light-1: var(--vt-c-indigo);
    --vt-c-text-light-2: rgba(60, 60, 60, 0.66);
    --vt-c-text-dark-1: var(--vt-c-white);
    --vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}

/* semantic color variables for this project */
:root {
    --color-background: var(--vt-c-white);
    --color-background-soft: var(--vt-c-white-soft);
    --color-background-mute: var(--vt-c-white-mute);

    --color-border: var(--vt-c-divider-light-2);
    --color-border-hover: var(--vt-c-divider-light-1);

    --color-heading: var(--vt-c-text-light-1);
    --color-text: var(--vt-c-text-light-1);

    --section-gap: 160px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-background: var(--vt-c-black);
        --color-background-soft: var(--vt-c-black-soft);
        --color-background-mute: var(--vt-c-black-mute);

        --color-border: var(--vt-c-divider-dark-2);
        --color-border-hover: var(--vt-c-divider-dark-1);

        --color-heading: var(--vt-c-text-dark-1);
        --color-text: var(--vt-c-text-dark-2);
    }
}

.left {
    float: left !important;
}

.right {
    float: right !important;
}

.textl {
    text-align: left !important;
}

.textc {
    text-align: center !important;
}

.textr {
    text-align: right !important;
}

.hide {
    display: none !important;
    visibility: hidden;
}

.texthide {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.texthide-line2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.texthide-line3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.flex-box {
    display: -webkit-box;
    display: -webkit-flex;
    display: flex;
}

.flex-row {
    flex-direction: row;
}

.flex-column {
    flex-direction: column;
}

.flex-acenter {
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.flex-astart {
    align-items: flex-start;
}

.flex-jcenter {
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
}

.flex-jbetween {
    justify-content: space-between;
}

.flex-jaround {
    justify-content: space-around;
}

.flex1 {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
}

.flex2 {
    -webkit-box-flex: 2;
    -webkit-flex: 2;
    flex: 2;
}

.flex3 {
    -webkit-box-flex: 3;
    -webkit-flex: 3;
    flex: 3;
}

.flex4 {
    -webkit-box-flex: 4;
    -webkit-flex: 4;
    flex: 4;
}

.flex5 {
    -webkit-box-flex: 5;
    -webkit-flex: 5;
    flex: 5;
}

.clearfix:before, .clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    zoom: 1;
}

/*图片按比例显示，同时和padding-top: 100%;使用，百分比是按照父元素的宽度类计算的，同时可以做为背景自适应和图片自适应*/
.img-fix {
    background-size: cover;
    background-position: center;
    overflow: hidden;
    position: relative;
    padding-top: 100%;
}

.img-fix img {
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 1;
}

/*富文本编辑适配：图片超出，文本不换行*/
.richText {
    box-sizing: border-box;
    overflow-wrap: break-word !important;
    overflow: hidden !important;
}

.richText img {
    max-width: 99.99% !important;
    height: auto !important;
}

body {
    color: var(--color-text);
    background: var(--color-background);
    transition: color 0.5s,
    background-color 0.5s;
    line-height: 1.6;
    font-family: Inter,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    'Fira Sans',
    'Droid Sans',
    'Helvetica Neue',
    sans-serif;
    font-size: 15px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
